4622123989 has 6 divisors (see below), whose sum is σ = 5376756534. Its totient is φ = 3961820520.

The previous prime is 4622123969. The next prime is 4622124019. The reversal of 4622123989 is 9893212264.

It can be written as a sum of positive squares in only one way, i.e., 3462380964 + 1159743025 = 58842^2 + 34055^2 .

It is not a de Polignac number, because 4622123989 - 2¹⁹ = 4621599701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4622123929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47164482 + ... + 47164579.

It is an arithmetic number, because the mean of its divisors is an integer number (896126089).

Almost surely, 2^4622123989 is an apocalyptic number.

4622123989 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4622123989 is a deficient number, since it is larger than the sum of its proper divisors (754632545).

4622123989 is an equidigital number, since it uses as much as digits as its factorization.

4622123989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94329075 (or 94329068 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 4622123989 is about 67986.2044020697. The cubic root of 4622123989 is about 1665.7655026209.

The spelling of 4622123989 in words is "four billion, six hundred twenty-two million, one hundred twenty-three thousand, nine hundred eighty-nine".